{"containers":{"cna":{"affected":[{"product":"unzip","vendor":"n/a","versions":[{"status":"affected","version":"unzip 6.0"}]}],"descriptions":[{"lang":"en","value":"A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 - NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-08-24T15:08:43.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["x_refsource_MISC"],"url":"https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077"},{"tags":["x_refsource_MISC"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2044583"},{"tags":["x_refsource_MISC"],"url":"https://access.redhat.com/security/cve/CVE-2021-4217"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T17:16:04.487Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2044583"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://access.redhat.com/security/cve/CVE-2021-4217"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-08T20:55:11.997878Z","id":"CVE-2021-4217","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-02T18:11:46.107Z"}}]},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2021-4217","datePublished":"2022-08-24T15:08:43.000Z","dateReserved":"2022-01-27T00:00:00.000Z","dateUpdated":"2026-11-02T18:11:46.107Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}